[HTC Sensation] HashTagHell:
Lol. Did that. Either I'm blind or it's something else.

Here's your build.prop with the Tmous patch:

ro.ril.ecc.HTC-WWE=999
ro.ril.enable.a52=0
ro.ril.enable.a53=1
ro.ril.disable.fd.plmn.prefix=23402,23410,23411,23420
ro.ril.enable.sdr=1
ro.ril.enable.amr.wideband=1
ro.com.google.clientidbase=android-htc

ro.product.model=HTC Sensation 4G

ro.build.id=GRJ90
ro.build.display.id=htc_pyramid-user 2.3.5 GRJ90 eng.root.20110923.193901 release-keys
ro.build.version.incremental=168617.1
ro.build.version.sdk=10
ro.build.version.codename=REL
ro.build.version.release=2.3.5
ro.build.date=五 9月 23 19:39:53 CST 2011
ro.build.date.utc=1316777993
ro.build.type=user
ro.build.user=root
ro.build.host=ABM026
ro.build.tags=release-keys
ro.product.model=HTC Pyramid
ro.product.brand=tmous
ro.product.name=htc_pyramid
ro.product.device=pyramid
ro.product.board=pyramid
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.manufacturer=HTC
ro.product.locale.language=hdpi
ro.product.locale.region=
ro.wifi.channels=
ro.board.platform=msm8660
# ro.build.product is obsolete; use ro.product.device
ro.build.product=pyramid
# Do not try to parse ro.build.description or .fingerprint
ro.build.description=2.08.401.1 CL168617 release-keys
ro.build.description=2.08.401.1 CL168617 release-keys
ro.build.changelist=168617
ro.product.ua=
ro.build.fingerprint=tmous/htc_pyramid/pyramid:2.3.4/GRJ22/125597.1:user/release-keys
ro.build.project=217118
ro.product.version=InsertCoin 3.4.4_TMOB
ro.build.languageremove=0
ro.build.sense.version=3.5
keyguard.no_require_sim=1
# end build properties
#
# system.prop for pyramid
#

ro.sf.lcd_density=240

debug.fb.rgb565 = 0
#C2D
debug.composition.type = c2d

# Modify MMS APN retry timer from 5s to 2s.
ro.gsm.2nd_data_retry_config = max_retries=3, 2000, 2000, 2000

# pyramid RF team request
ro.ril.enable.dtm = 0
ro.ril.gprsclass = 12
ro.ril.hsdpa.category = 10
ro.ril.hsupa.category = 6
ro.ril.hsxpa = 3
ro.ril.hep=1
ro.ril.enable.dtm=1
#ro.ril.enable.3g.prefix=1
ro.ril.htcmaskw1.bitmask=4294967295
ro.ril.htcmaskw1=14449
# Default network type.
# 0 => WCDMA preferred.
ro.telephony.default_network=0

wifi.interface=eth0
wifi.supplicant_scan_interval=100

# The OpenGL ES API level that is natively supported by this device.
# This is a 16.16 fixed point number
ro.opengles.version = 131072

# This is a high density device with more memory, so larger vm heaps for it.
# Change to 32m, due to 2.3.3 GB already change to 32m
dalvik.vm.heapsize=32m

# For the default value of agps
ro.ril.def.agps.mode = 2

# For HSDPA low throughput
ro.ril.disable.power.collapse = 1

# For Pyramid China NEL
ro.ril.update.org.acoustic = 1

# For emmc phone storage
ro.phone_storage = 0
# For ext4 file system
ro.ext4fs=1

# Disable checkin services
ro.config.htc.nocheckin=1
ro.config.nocheckin=1
# Release Bluetooth HW/SW information
ro.bt.chipset = Broadcom BCM4329-B1
ro.bt.stack = Broadcom BTL-A
ro.bt.stack.version = 2.0.50.032
#0x10000010010100100000011 represent bt profile list
ro.bt.profiles = 4270339

# Properties of BTLA stack
service.brcm.bt.activation = 0
service.brcm.bt.srv_active = 0
service.brcm.bt.hcid_active = 0
service.brcm.bt.btld = 0
service.brcm.bt.btld_pid = 0
service.brcm.bt.avrcp_pass_thru = 0
service.brcm.bt.avrcp_toggle = 1

# For quick boot mode
persist.sys.shutdown.mode = hibernate

# For opensense sdk
ro.htc.common.version = 2.0.0.0

# Properties of Scalado Denoise param.
postprocess.iso_midband = 400
postprocess.denoise_level = 6

# Following property will be reference by Settings.
ro.product.processor = 1.2 GHz Dual-Core Snapdragon
ro.product.ram = 768MB
ro.product.display_resolution = 4.3 inch QHD resolution
ro.product.main_camera = 8M
ro.product.front_camera = VGA
ro.product.bluetooth = 3.0
ro.product.wifi = 802.11 b/g/n

# Properties for supporting framework features
ro.htc.framework.screencapture = true

# For opensense sdk
ro.htc.common.version = 3.0.0.0

#
# ADDITIONAL_BUILD_PROPERTIES

ro.url.legal=http://www.google.com/intl/%s/mobile/android/basic/phone-legal.html
ro.url.legal.android_privacy=http://www.google.com/intl/%s/mobile/android/basic/privacy.html
ro.com.google.networklocation=1
ro.setupwizard.mode=DISABLED
ro.setupwizard.mode=OPTIONAL
ro.config.ringtone=QuietlyBrilliant.mp3
ro.config.notification_sound=Zeta.mp3
ro.config.alarm_alert=NewDay.mp3
ro.config.cal_notification=Epsilon.mp3
ro.config.msg_notification=Gamma.mp3
ro.com.google.gmsversion=2.3_r7
media.a1026.nsForVoiceRec=0
htc.audio.alt.enable=0
htc.audio.hac.enable=1
ro.setupwizard.enterprise_mode=1
ro.media.codec_priority_thumb=so
dalvik.vm.lockprof.threshold=500
dalvik.vm.dexopt-flags=m=y
net.bt.name=Android
dalvik.vm.stack-trace-file=/data/anr/traces.txt
rild.libpath=/system/lib/librilswitch.so
rilswitch.vendorlibpath=/system/lib/libhtc_ril.so
rilswitch.ganlibpath=/system/lib/libganril.so

# IC Tweaks
ro.telephony.call_ring.delay=1
windowsmgr.max_events_per_sec=200
persist.adb.notify=0
debug.sf.hw=1
video.accelerate.hw=1
debug.performance.tuning=1
ro.HOME_APP_ADJ=1
pm.sleep_mode=1
ro.media.enc.jpeg.quality=100
ro.service.swiqi.supported=true
persist.service.swiqi.enable=1

and here is the (untouched) Tmous build.prop:

ro.ril.oem.ecclist=911
ro.ril.enable.a53=1
ro.ril.enable.dtm=0
ro.ril.gprsclass=10
ro.ril.hsdpa.category=10
ro.ril.hsupa.category=6
ro.ril.hsxpa=2
ro.ril.def.agps.mode=1
ro.ril.fast.dormancy.timeout=10
ro.ril.def.agps.feature=1
ro.ril.radio.svn=1
ro.ril.disable.fd.plmn.prefix=23402,23410,23411,23420
ro.ril.enable.sdr=0
ro.ril.enable.gea3=0
ro.ril.enable.amr.wideband=0
ro.ril.rxd.mode.nv=10
ro.ril.bler.threshold.nv=125
ro.ril.rscp.threshold.nv=110
ro.ril.enable.rxd=1
ro.ril.oem.cnap=1
ro.ril.enable.r8fd=1
ro.com.google.clientidbase=android-htc
ro.com.google.clientidbase.yt=android-htc
ro.com.google.clientidbase.am=android-tmobile-us
ro.com.google.clientidbase.vs=android-hms-tmobile-us
ro.com.google.clientidbase.gmm=android-htc
ro.com.google.clientidbase.ms=android-hms-tmobile-us
ro.ril.vmail.310260=+18056377243
ro.phone.min_match=7
ro.ril.enable.ganlite=1
ro.product.model=HTC Sensation 4G
# begin build properties
# autogenerated by buildinfo.sh
ro.aa.customizationid=211343
ro.aa.project=Pyramid
ro.aa.romver=1.45.531.1
ro.aa.maincid=T-MOB010
ro.aa.cidlist=T-MOB010
ro.aa.rid=835
ro.aa.modelid=PG5810000
ro.aa.skulist=531
ro.aa.taskid=208218
ro.aa.mainsku=531
ro.cwkey=T-MOB010
ro.com.google.clientidbase=android-htc
ro.aa.customizationid=211343
ro.aa.project=Pyramid
ro.aa.romver=1.45.531.1
ro.aa.maincid=T-MOB010
ro.aa.cidlist=T-MOB010
ro.aa.rid=835
ro.aa.modelid=PG5810000
ro.aa.skulist=531
ro.aa.taskid=208218
ro.aa.mainsku=531
ro.cwkey=T-MOB010
ro.com.google.clientidbase=android-htc
ro.build.id=GRJ22
ro.build.display.id=GRJ22
ro.build.version.incremental=125597.1
ro.build.version.sdk=10
ro.build.version.codename=REL
ro.build.version.release=2.3.4
ro.build.date=ä¸€ 8æœˆ 8 17:52:06 CST 2011
ro.build.date.utc=1312797126
ro.build.type=user
ro.build.user=root
ro.build.host=AA129
ro.build.tags=release-keys
ro.product.model=HTC Pyramid
ro.product.brand=tmous
ro.product.name=htc_pyramid
ro.product.device=pyramid
ro.product.board=pyramid
ro.product.cpu.abi=armeabi-v7a
ro.product.cpu.abi2=armeabi
ro.product.manufacturer=HTC
ro.product.locale.language=hdpi
ro.product.locale.region=
ro.wifi.channels=
ro.board.platform=msm8660
# ro.build.product is obsolete; use ro.product.device
ro.build.product=pyramid
# Do not try to parse ro.build.description or .fingerprint
ro.build.description=1.45.531.1 CL125597 release-keys
ro.build.description=1.45.531.1 CL125597 release-keys
ro.build.changelist=125597
ro.product.ua=
ro.build.fingerprint=tmous/htc_pyramid/pyramid:2.3.4/GRJ22/125597.1:user/release-keys
ro.build.project=208218
ro.product.version=1.45.531.1
ro.build.languageremove=0
keyguard.no_require_sim=1
# end build properties
#
# system.prop for pyramid
#

ro.sf.lcd_density=240

debug.fb.rgb565 = 0
#C2D
debug.composition.type = c2d

rild.libpath=/system/lib/libhtc_ril.so
# RilLibPath for Ganlite by Godel_Chen
rild.libpath.ganlite=/system/lib/librilswitch.so
rilswitch.vendorlibpath=/system/lib/libhtc_ril.so
rilswitch.ganlibpath=/system/lib/libganril.so

# Modify MMS APN retry timer from 5s to 2s.
ro.gsm.2nd_data_retry_config = max_retries=3, 2000, 2000, 2000

# pyramid RF team request
ro.ril.enable.dtm = 0
ro.ril.gprsclass = 12
ro.ril.hsdpa.category = 10
ro.ril.hsupa.category = 6
ro.ril.hsxpa = 3

# Default network type.
# 0 => WCDMA preferred.
ro.telephony.default_network=0

wifi.interface=eth0
wifi.supplicant_scan_interval=15

# The OpenGL ES API level that is natively supported by this device.
# This is a 16.16 fixed point number
ro.opengles.version = 131072

# This is a high density device with more memory, so larger vm heaps for it.
# Change to 32m, due to 2.3.3 GB already change to 32m
dalvik.vm.heapsize=32m

# For the default value of agps
ro.ril.def.agps.mode = 2

# For HSDPA low throughput
ro.ril.disable.power.collapse = 1

# For Pyramid China NEL
ro.ril.update.org.acoustic = 1

# For emmc phone storage
ro.phone_storage = 0

# For FOTA setting (leave empty value to use default)
ro.htc.checkin.url = http://andchin.htc.com/android/checkin
ro.htc.checkin.crashurl = http://andchin.htc.com/android/crash
ro.htc.checkin.url_CN = http://andchin.htccomm.com.cn/android/checkin
ro.htc.checkin.crashurl_CN = http://andchin.htccomm.com.cn/android/crash
ro.htc.checkin.exmsg.url = http://fotamsg.htc.com/android/extra/
ro.htc.checkin.exmsg.url_CN = http://fotamsg.htccomm.com.cn/android/extra/
ro.htc.appupdate.url = http://apu-chin.htc.com/check-in/rws/and-app/update
ro.htc.appupdate.url_CN = http://apu-chin.htccomm.com.cn/check-in/rws/and-app/update
ro.htc.appupdate.exmsg.url = http://apu-msg.htc.com/extra-msg/rws/and-app/msg
ro.htc.appupdate.exmsg.url_CN = http://apu-msg.htccomm.com.cn/extra-msg/rws/and-app/msg

# Release Bluetooth HW/SW information
ro.bt.chipset	= Broadcom BCM4329-B1
ro.bt.stack	= Broadcom BTL-A
ro.bt.stack.version	= 2.0.50.032
#0x10000010010100100000011 represent bt profile list
ro.bt.profiles	= 4270339

# Properties of BTLA stack
service.brcm.bt.activation = 0
service.brcm.bt.srv_active = 0
service.brcm.bt.hcid_active = 0
service.brcm.bt.btld = 0
service.brcm.bt.btld_pid = 0
service.brcm.bt.avrcp_pass_thru = 0
service.brcm.bt.avrcp_toggle = 1

# For quick boot mode
persist.sys.shutdown.mode = hibernate

# For opensense sdk
ro.htc.common.version = 2.0.0.0

# Properties of Scalado Denoise param.
postprocess.iso_midband = 400
postprocess.denoise_level = 6

# Following property will be reference by Settings.
ro.product.processor = 1.2 GHz dualcore
ro.product.ram = 768MB
ro.product.display_resolution = 4.3 inch QHD resolution
ro.product.main_camera = 8M
ro.product.front_camera = VGA
ro.product.bluetooth = 3.0
ro.product.wifi = 802.11 b/g/n

# Properties for supporting framework features
ro.htc.framework.screencapture = true

# For opensense sdk
ro.htc.common.version = 3.0.0.0

#
# ADDITIONAL_BUILD_PROPERTIES
#
ro.url.legal=http://www.google.com/intl/%s/mobile/android/basic/phone-legal.html
ro.url.legal.android_privacy=http://www.google.com/intl/%s/mobile/android/basic/privacy.html
ro.com.google.networklocation=1
ro.setupwizard.mode=DISABLED
ro.setupwizard.mode=OPTIONAL
ro.config.ringtone=QuietlyBrilliant.mp3
ro.config.notification_sound=Zeta.mp3
ro.config.alarm_alert=NewDay.mp3
ro.config.cal_notification=Epsilon.mp3
ro.config.msg_notification=Gamma.mp3
ro.setupwizard.mode=DISABLED
ro.com.google.gmsversion=2.3_r5
media.a1026.nsForVoiceRec=0
htc.audio.alt.enable=0
htc.audio.hac.enable=1
ro.setupwizard.enterprise_mode=1
ro.media.codec_priority_thumb=so
dalvik.vm.dexopt-flags=m=y
net.bt.name=Android
dalvik.vm.stack-trace-file=/data/anr/traces.txt

Within the (untouched) I see a lot of Tmobile code, but don't know which lines are needed for the market to see it's a Tmous device. Excuse the lack of code knowledge.